Fix regex that no longer matches loggregator output
Fix regex that no longer matches loggregator output

Signed-off-by: Chunyi Lyu <0f8e751eae2b6087fa04691c2ff75f586389adcc@pivotal.io>

cloudfoundry/cf-smoke-tests,cloudfoundry/cf-smoke-tests,cloudfoundry/cf-smoke-tests,cloudfoundry/cf-smoke-tests